Finding the Fourth Proportional to 113,103,666.40, 169,543,525.20 and 55,548,824.80
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Solution
The fourth proportional to 113,103,666.40, 169,543,525.20 and 55,548,824.80 is: 83,268,242.99
Step by Step Solution
- Step 1: Write the proportion equation
113,103,666.40 : 169,543,525.20 = 55,548,824.80 : x - Step 2: Convert to fraction form
113,103,666.40/169,543,525.20 = 55,548,824.80/x - Step 3: Cross multiply
113,103,666.40x = 169,543,525.20 × 55,548,824.80 - Step 4: Simplify right side
113,103,666.40x = 9,417,943,577,309,184 - Step 5: Solve for x
x = 9,417,943,577,309,184/113,103,666.40 - Step 6: Final answer
x = 83,268,242.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.